Update README.md

Author: Benjamin Sigidi

README.md

@@ -9,7 +9,7 @@ Concise is a lightweight, front-end framework that provides a number of great fe
 
 Add this line to your application's Gemfile:
 
-    gem 'concisecss', '~> 0.0.2'
+    gem 'concisecss', '~> 0.0.3'
 
 And then execute: